Home / 25,830.72-38,756.34-11,039.22

Finding the Fourth Proportional to 25,830.72, 38,756.34 and 11,039.22

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Solution

The fourth proportional to 25,830.72, 38,756.34 and 11,039.22 is: 16,563.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,830.72 : 38,756.34 = 11,039.22 : x
  2. Step 2: Convert to fraction form
    25,830.72/38,756.34 = 11,039.22/x
  3. Step 3: Cross multiply
    25,830.72x = 38,756.34 × 11,039.22
  4. Step 4: Simplify right side
    25,830.72x = 427,839,763.65
  5. Step 5: Solve for x
    x = 427,839,763.65/25,830.72
  6. Step 6: Final answer
    x = 16,563.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.